<template>
  <div class="goods-comment" v-if="commentInfo">
    <div class="head">
      <div class="data">
        <p><span>{{commentInfo.salesCount}}</span><span>人购买</span></p>
        <p><span>{{commentInfo.praisePercent}}</span><span>好评率</span></p>
      </div>
      <div class="tags">
        <div class="dt">大家都在说：</div>
        <div class="dd">
          <a v-for="item in commentInfo.tags" :key="item.name" href="javascript:;" :class="{active:currTagIndex===item.title}" @click="changeTag(item.title)">{{item.title}}（{{item.tagCount}}）</a>
        </div>
      </div>
    </div>
    <div class="sort">
      <span>排序：</span>
      <a @click="changeSort(null)" href="javascript:;" :class="{active:reqParams.sortField === null}">默认</a>
      <a @click="changeSort('createTime')" href="javascript:;" :class="{active:reqParams.sortField === 'createTime'}">最新</a>
      <a @click="changeSort('praiseCount')" href="javascript:;" :class="{active:reqParams.sortField === 'praiseCount'}">最热</a>
    </div>
     <!-- 列表 -->
    <div class="list">
      <div class="item" v-for="item in commentList" :key="item.id">
        <div class="user">
          <img :src="item.member.avatar" alt="">
          <span>{{formatNickname(item.member.nickname)}}</span>
        </div>
        <div class="body">
          <div class="score">
            <i v-for="(i,index) in item.score" :key="index+1" class="iconfont icon-wjx01"></i>
            <i v-for="(i,index) in 5-item.score" :key="index+2" class="iconfont icon-wjx02"></i>
            <span class="attr">{{item.orderInfo.specs.map(item=>`${item.name}:${item.nameValue} `).join('')}}</span>
          </div>
          <div class="text">{{item.content}}</div>
          <GoodsCommentImage v-if="item.pictures.length" :pictures="item.pictures"/>
          <div class="time">
            <span>{{item.createTime}}</span>
            <span class="zan"><i class="iconfont icon-dianzan"></i>{{item.praiseCount}}</span>
          </div>
        </div>
      </div>
    </div>
    <XtxPagination v-if="total>0" :total='total' :currentPage='reqParams.page'  :pageSize='reqParams.pageSize' @current-change='changePager'/>
  </div>
</template>

<script>
import GoodsCommentImage from './goods-comment-image'
import { findGoodsCommentInfo, findGoodsCommentList } from '@/api/product'
import { inject, reactive, ref, watch } from 'vue'
const formatNickname = (nickname) => {
  return nickname.slice(0, 1) + '****' + nickname.slice(-1)
}
export default {
  name: 'GoodsComment',
  components: { GoodsCommentImage },
  setup () {
    const goods = inject('goods')
    // 获取tag标签的数据 并改造
    const commentInfo = ref(null)
    findGoodsCommentInfo(goods.value.id).then(({ result }) => {
      result.tags = [
        { title: '全部', tagCount: result.evaluateCount },
        { title: '有图', tagCount: result.evaluateCount },
        ...result.tags
      ]
      commentInfo.value = result
      console.log(result)
    })
    // 筛选
    const currTagIndex = ref('全部')
    const changeTag = (tag) => {
      currTagIndex.value = tag
      if (tag === '全部') {
        reqParams.hasPicture = null
        reqParams.tag = null
      } else if (tag === '有图') {
        reqParams.hasPicture = true
        reqParams.tag = null
      } else {
        reqParams.hasPicture = null
        reqParams.tag = tag
      }
      reqParams.page = 1
    }
    // 筛选条件准备
    const reqParams = reactive({
      page: 1, // 页码
      pageSize: 10, // 页尺寸
      hasPicture: null, // 是否有图
      tag: null, // 标签
      sortField: null // 排序字段
    })
    // console.log(reqParams)
    // 监听参数变化 重新发送请求
    const commentList = ref([])
    const total = ref(0)
    watch(reqParams, async () => {
      const { result } = await findGoodsCommentList(goods.value.id, reqParams)
      console.log(result)
      commentList.value = result.items
      total.value = result.counts
    }, { immediate: true })
    // 页码改变 更新页码
    const changePager = (newPage) => {
      console.log(newPage)
      reqParams.page = newPage
    }
    // 改变排序
    const changeSort = (type) => {
      reqParams.sortField = type
      reqParams.page = 1
    }
    return { commentInfo, currTagIndex, changeTag, commentList, formatNickname, changePager, total, reqParams, changeSort }
  }
}
</script>

<style scoped lang="less">
.goods-comment {
  .head {
    display: flex;
    padding: 30px 0;
    .data {
      width: 340px;
      display: flex;
      padding: 20px;
      p {
        flex: 1;
        text-align: center;
        span {
          display: block;
          &:first-child {
            font-size: 32px;
            color: @priceColor;
          }
          &:last-child {
            color: #999;
          }
        }
      }
    }
    .tags {
      flex: 1;
      display: flex;
      border-left: 1px solid #f5f5f5;
      .dt {
        font-weight: bold;
        width: 100px;
        text-align: right;
        line-height: 42px;
      }
      .dd {
        flex: 1;
        display: flex;
        flex-wrap: wrap;
        > a {
          width: 132px;
          height: 42px;
          margin-left: 20px;
          margin-bottom: 20px;
          border-radius: 4px;
          border: 1px solid #e4e4e4;
          background: #f5f5f5;
          color: #999;
          text-align: center;
          line-height: 40px;
          &:hover {
            border-color: @xtxColor;
            background: lighten(@xtxColor, 50%);
            color: @xtxColor;
          }
          &.active {
            border-color: @xtxColor;
            background: @xtxColor;
            color: #fff;
          }
        }
      }
    }
  }
  .sort {
    height: 60px;
    line-height: 60px;
    border-top: 1px solid #f5f5f5;
    border-bottom: 1px solid #f5f5f5;
    margin: 0 20px;
    color: #666;
    > span {
      margin-left: 20px;
    }
    > a {
      margin-left: 30px;
      &.active,
      &:hover {
        color: @xtxColor;
      }
    }
  }
}
  .list {
    padding: 0 20px;
    .item {
      display: flex;
      padding: 25px 10px;
      border-bottom: 1px solid #f5f5f5;
      .user {
        width: 160px;
        img {
          width: 40px;
          height: 40px;
          border-radius: 50%;
          overflow: hidden;
        }
        span {
          padding-left: 10px;
          color: #666;
        }
      }
      .body {
        flex: 1;
        .score {
          line-height: 40px;
          .iconfont {
            color: #ff9240;
            padding-right: 3px;
          }
          .attr {
            padding-left: 10px;
            color: #666;
          }
        }
      }
      .text {
        color: #666;
        line-height: 24px;
      }
      .time {
        color: #999;
        display: flex;
        justify-content: space-between;
        margin-top: 5px;
      }
    }
  }
</style>
